Posit Conf - 2025

Most changes happened in advanced slides, now called "Getting More out of Tuning and Feature Engineering"

Now having the following chapters:

1. Introduction
2. Model optimization by tuning
3. Grid search via racing
4. Feature engineering: dummies and embeddings
5. Feature engineering: splines, target encoding and dates
6. Postprocessing
7. Feature selection

New York Data Science & AI Conference workshop - 2025

• Uses the Georgia state version of the forested data
• Transitioned to the base pipe
• Reintroduced the slide on the dangers of accuracy (since there is some class imbalance now)
• Changed section names to be consistent with posit::conf(2025)
• Scratch file update from the 2025 New York Data Science & AI Conference

NYR Workshop - 2023

• Split the two-day workshop into two days in preparation for posit::conf(2023), with Day 1 "Intro to tidymodels" and Day 2 "Advanced tidymodels."
• Transitioned "Intro to tidymodels" to use data on taxi trips in Chicago.
• Added content to "Advanced tidymodels" on advanced tuning techniques.

Iceland workshop - August 24 2022

Iceland classwork (#101)

* update classwork

* remove empty leading lines

* fix numbering

* re-render

Co-authored-by: Max Kuhn <[email protected]>